Finding the Fourth Proportional to 1,327,216.12, 1,831,716.42 and 837,896.68
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Solution
The fourth proportional to 1,327,216.12, 1,831,716.42 and 837,896.68 is: 1,156,397.28
Step by Step Solution
- Step 1: Write the proportion equation
1,327,216.12 : 1,831,716.42 = 837,896.68 : x - Step 2: Convert to fraction form
1,327,216.12/1,831,716.42 = 837,896.68/x - Step 3: Cross multiply
1,327,216.12x = 1,831,716.42 × 837,896.68 - Step 4: Simplify right side
1,327,216.12x = 1,534,789,107,019.49 - Step 5: Solve for x
x = 1,534,789,107,019.49/1,327,216.12 - Step 6: Final answer
x = 1,156,397.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.